/**
    * Copyright 2010 The Kuali Foundation Licensed under the
    * Educational Community License, Version 2.0 (the "License"); you may
    * not use this file except in compliance with the License. You may
    * obtain a copy of the License at
    *
    * http://www.osedu.org/licenses/ECL-2.0
    *
    * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an "AS IS"
   * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
   * or implied. See the License for the specific language governing
   * permissions and limitations under the License.
   */
  
  package org.kuali.student.r1.common.entity;
  
  import java.util.Date;
  
  import javax.persistence.Embedded;
  import javax.persistence.MappedSuperclass;
  
  import org.kuali.student.common.util.security.SecurityUtils;
  
  @MappedSuperclass
  public abstract class MetaEntity extends BaseEntity{
  	
  	@Embedded
  	private Meta meta;
  	
  	@Override
  	protected void onPrePersist(){
  		super.onPrePersist();
  		if(meta==null){
  			meta = new Meta();
  		}
  		meta.setCreateTime(new Date());
  		meta.setUpdateTime(new Date());
  
  		String user = SecurityUtils.getCurrentPrincipalId();
  		meta.setCreateId(user);
  		meta.setUpdateId(user);
  		
  	}
  	
  	@Override
  	protected void onPreUpdate(){
  		super.onPreUpdate();
  		//This code should not be here, but hibernate is calling update callback instead of prepersit if the id is not null.
  		if(meta==null){
  			meta = new Meta();
  			meta.setCreateTime(new Date());
  		}
  
  		meta.setUpdateTime(new Date());
  
  		String user = SecurityUtils.getCurrentPrincipalId();
  		meta.setUpdateId(user);
  	}
  
  	public Meta getMeta() {
  		return meta;
  	}
  
  	public void setMeta(Meta meta) {
  		this.meta = meta;
  	}
  }